Finding the Fourth Proportional to 5,216.38, 7,816.71 and 3,134.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,216.38 : 7,816.71 = 3,134.10 : x
2. Step 2: Convert to fraction form
   5,216.38/7,816.71 = 3,134.10/x
3. Step 3: Cross multiply
   5,216.38x = 7,816.71 × 3,134.10
4. Step 4: Simplify right side
   5,216.38x = 24,498,350.81
5. Step 5: Solve for x
   x = 24,498,350.81/5,216.38
6. Step 6: Final answer
   x = 4,696.43